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Sorry... I meant "precise hardware verification" not precious. I do not
the equipment to measure them. Any suggestion, other than getting extra
hardware like a power analyzer, for trouble shooting? Trouble shooting is
always (well, almost always) fun...
> -----Original Message-----
> From: news-gateway@lugnet.com
> [mailto:news-gateway@lugnet.com] On Behalf Of Elizabeth Mabrey
> Sent: Thursday, July 14, 2005 10:15 AM
> To: lugnet.robotics.rcx@lugnet.com;
> lugnet.robotics.rcx.robolab@lugnet.com
> Subject: RE: different output power at different ports?
>
> > This might be a dumb question, but are we talking actual different
> > voltage levels, or different PWM duty ratios? Have you ensured that
> > you have set (from code) the power levels of all the ports • to be the
> > same?
>
> Without any precious hardware verification, this is what I did:
> - symptom: motor C was not able to make turn as well as motor A can
> - troubleshooting steps:
> a) to ensure even load on both motor ports, I removed all
> other attachments, and left the robot to a simple tankbot
> with a single light sensor to follow slight curves in order
> to make it easier to visualize the difference.
> b) at program level, both are set to be the same power
> level, of course.
> c) interchange motors between port A and C, same symptom,
> so the problem is not the motor itself
> d) change fresh batteries, drain the firmware, redownload
> the firmware, same symptom
>
> --
> E
>
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